The SELECT statement shows that the last two statements did not modify the fourth row.Since SQLite version 3.7.11 it is possible to insert multiple rows using one INSERT statement.Bind variables are placeholders inside a SQL statement.
If the statement does exist in memory, Oracle Database can reuse it and skip the task of parsing and optimizing the statement.
Using bind variables makes the statement reusable with different input values.
Using bind variables also improves query performance in the database, eliminates the need for special handling of literal quotation marks in the input, and protects against SQL injection attacks.
The following code shows a typical contains a client copy of the database data.
In this section, you will add a button that enables client data changes to be saved back to the database.
The following section will show you how to test updating, inserting, and deleting the data.
In Part 2 of his article on developing Java applications that use the Db2 Image and Audio Extenders, author Ryan Cox uses a sample application to describe how the query by image content (QBIC) functionality can be used for image-based queries.
In addition, code samples are provided to show how to store and retrieve image-based data using JDBC.
Ryan Cox is an object technology and application development specialist supporting IBM Web Sphere® technical sales.
His areas of expertise include design and development of distributed applications using standard Internet technologies including J2EE and CORBA.
He is a Sun Certified Java Programmer, holds a BS in Computer Science from the University of North Texas, and is currently attending the University of Colorado in Boulder.